 <el-tree v-if="childTreeData.length > 0" :data="childTreeData" node-key="id" @node-click="handleLeftclick"
                @check-change="handleCheck" :default-expanded-keys="defaultExpandedKeys" show-checkbox ref="tree"
                class="tree-line" :props="defaultProps" :filter-node-method="filterNode">
                <div class="custom-node" slot-scope="{ node, data }">
                  <span :title="node.label" ref="innerText" @click="handleNodeLabelClick(data)"
                    :class="data.child ? '_folder' : '_file'" :style="`width:${255 - node.level * 24}px`">
                    {{ node.label }}
                  </span>
                  <i title="表格查询" class="el-icon-document tablequery" v-if="!data.child"
                    @click="handleBaseClick(data)"></i>
                </div>
              </el-tree>



 





